CN216847060U

CN216847060U - Water sampling device for environmental monitoring

Info

Publication number: CN216847060U
Application number: CN202220263420.9U
Authority: CN
Inventors: 段磊; 杨志明; 樊佳雨; 迟延艳; 敖伊敏
Original assignee: Inner Mongolia Luchuan Environmental Technology Co ltd
Current assignee: Inner Mongolia Luchuan Environmental Technology Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-06-28
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a water sample sampling device for environmental monitoring, which relates to the field of environmental detection and comprises a fixing frame and a two-position four-way reversing valve, wherein a plurality of temporary storage bottles are fixedly connected on the fixing frame, a sealing cover is arranged at the bottle mouth of each temporary storage bottle, a water inlet pipe and a gas pipe are arranged on the sealing cover, the gas pipe is connected to a main pipe, an air suction port and a gas outlet of a vacuum pump are communicated with the main pipe through the two-position four-way reversing valve to realize the switching between inflation and air exhaust, water absorption pipes with different lengths are matched with the temporary storage bottles in the device for use, water samples with multiple depths can be collected at one time, the vacuum pump is used as a driver for absorbing the water samples, the collection is more convenient, the vacuum pump is not directly contacted with the water samples, the possibility of water sample mixing is reduced, the electromagnetic valves are arranged on the water absorption pipes, the on-off of each water absorption pipe is controlled to be matched with the electrode contacts in the temporary storage bottles for use, can close solenoid valve automatic realization, aerify and to empty the water sample that absorbs water in the pipe, reduce the water sample and mix.

Description

Water sampling device for environmental monitoring

Technical Field

The utility model relates to an environment measuring field, concretely relates to water appearance sampling device is used in environmental monitoring.

Background

Environmental monitoring refers to monitoring and measuring indexes reflecting environmental quality, and when monitoring the environmental quality, a monitoring sample is mostly required to be collected for analyzing and knowing environmental data, such as monitoring water quality.

At some reservoirs or drinking water source department, need often detect quality of water, when gathering the water sample, the staff often all is through tying the bottle with the rope, then throw away the bottle and come the collection water sample to the aquatic.

This kind of mode can gather shallower quality of water sample, but hardly acquires deeper water sample because when entering into deeper aquatic from the surface of water, can lead to the sample of surface of water and submarine sample to mix, leads to the water sample inaccurate of collecting.

If adopt water pump and water pipe cooperation extraction water sample, can gather deeper water sample, but once gather the back, remaining water sample has great influence to the result of follow-up collection in water pump and the water pipe, and can only gather the water sample of a degree of depth at every turn, and efficiency is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water sampling device for environmental monitoring to solve the problem mentioned in the above-mentioned background art.

The utility model provides a water sample sampling device for environmental monitoring, includes mount and two-position four-way reversing valve, a plurality of bottles of keeping in of fixedly connected with on the mount, the bottleneck department of bottle of keeping in is equipped with sealed lid, sealed covering is equipped with inlet tube and trachea, the trachea is connected to the house steward, there are four interfaces on the two-position four-way reversing valve, is A interface, B interface, P interface and R interface respectively, the mouth of pipe and the P interface connection of house steward, the induction port and the A interface connection of vacuum pump, and its gas outlet and B interface connection, R interface and external atmosphere intercommunication, be connected with the pipe that absorbs water on the inlet tube, the aquatic is located to the end of the pipe that absorbs water.

Preferably, a first check valve is arranged on a pipeline connecting an air suction port of the vacuum pump and the interface A, and a second check valve is arranged on a pipeline connecting an air outlet of the vacuum pump and the interface B. Preferably, the lengths of the water suction pipes connected with different temporary storage bottles are different, and the water suction pipes are also provided with electromagnetic valves.

Preferably, the bottom of the water suction pipe is provided with a filter screen, the bottom of the temporary storage bottle is funnel-shaped, an opening of the bottom of the temporary storage bottle is provided with a switch valve, and a sampling bottle is placed on a fixing frame below the temporary storage bottle.

Preferably, the inner wall of the temporary storage bottle is provided with two non-contact electrode contacts, and the electrode contacts are used for controlling the on-off of the electromagnetic valve.

The utility model has the advantages that:

the pipe that absorbs water through setting up different length uses with the cooperation of bottle of keeping in, can once only gather the water sample of a plurality of degree of depth, supplies the monitoring to use.

Adopt the vacuum pump to draw the water sample as the driver, compare in the salvage sample, the process of collection is more convenient, and the vacuum pump does not reduce the possibility that the water sample mixes with water sample direct contact.

The electromagnetic valves are arranged on the water suction pipes to control the on-off of each water suction pipe, and the water suction pipes are matched with the electrode contacts in the temporary storage bottle for use, so that the electromagnetic valves can be automatically closed, and the amount of water samples in the temporary storage bottle can be controlled; when not taking a sample at ordinary times, the solenoid valve is in the closed state, and the air in the water absorption pipe can prevent water from entering the water absorption pipe, reduces the water source and mixes, improves the accuracy of water sample when gathering.

The induction port and the gas outlet of vacuum pump are connected with the pipe orifice of house steward through two-position four-way reversing valve to realize that the vacuum pump can utilize the evacuation of air to absorb water the water sample in the pipe to and aerify the function to keeping in the bottle, aerify and to utilize the air evacuation to absorb water, avoid absorbing water the pipe when entering into deeper aquatic, the water sample of the surface of water mixes with deep water sample, and the evacuation absorbs water the in-process of pipe, can reduce the probability that absorbs water the pipe orifice and blocks up.

Drawings

FIG. 1 is a schematic structural view of a part of the present invention;

FIG. 2 is a schematic diagram of the gas path connecting the vacuum pump to the manifold;

figure 3 is a cross-sectional view of a buffer bottle.

In the figure: 1-a fixed frame, 2-a two-position four-way reversing valve, 3-a temporary storage bottle, 31-a switch valve, 4-a sealing cover, 41-a water inlet pipe, 42-an air pipe, 5-a vacuum pump, 6-a water suction pipe, 61-a filter screen, 7-a one-way valve I, 8-a one-way valve II, 9-an electromagnetic valve, 10-a sampling bottle, 11-an electrode contact and 12-a main pipe.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 3, a water sample sampling device for environmental monitoring, including mount 1 and two-position four-way reversing valve 2, a plurality of temporary storage bottles 3 of fixedly connected with are gone up to mount 1, the bottleneck department of temporary storage bottle 3 is equipped with sealed lid 4, be equipped with inlet tube 41 and trachea 42 on the sealed lid 4, trachea 42 is connected to house steward 12, there are four interfaces on the two-position four-way reversing valve 2, be A interface, B interface, P interface and R interface respectively, house steward 12's mouth of pipe and P interface connection, vacuum pump 5's induction port and A interface connection, and its gas outlet and B interface connection, R interface and external atmosphere intercommunication, be connected with the pipe 6 that absorbs water on the inlet tube 41, the aquatic is located to the end of the pipe 6 that absorbs water. The vacuum pump 5 in the device has two functions of air suction and air inflation, and the air suction port and the air outlet can be used for air suction and air inflation respectively.

In this embodiment, a first check valve 7 is disposed on a pipeline connecting the air inlet of the vacuum pump 5 and the interface a, and a second check valve 8 is disposed on a pipeline connecting the air outlet thereof and the interface B. The first check valve 7 is communicated from the main pipe 12 to the air suction port of the vacuum pump 5, and the second check valve 8 is communicated from the air outlet of the vacuum pump 5 to the main pipe 12, so that gas backflow is avoided when the temporary storage bottle 3 is pumped and sucked.

In this embodiment, the length of the water suction pipe 6 connected to different temporary storage bottles 3 is different, so as to collect water samples of different depths, the water suction pipe 6 is further provided with an electromagnetic valve 9, and the electromagnetic valve 9 is normally closed and is in a closed state when not powered on.

In this embodiment, the bottom of the suction pipe 6 is equipped with the filter screen 61, and the mesh of filter screen 61 is great for avoid big suspended solid to block up the suction pipe 6, the bottom of the bottle of keeping in 3 is for leaking hopper-shaped, and the opening part of its bottom is equipped with ooff valve 31, lay sampling bottle 10 on the mount 1 of the below of the bottle of keeping in 3.

In this embodiment, the inner wall of the temporary storage bottle 3 is provided with two non-contact electrode contacts 11, the electrode contacts 11 are used for assisting the on-off of the control electromagnetic valve 9, when the electrode contacts 11 are switched on by a water sample, the electromagnetic valve 9 is powered off and closed, the water sample is not extracted in the corresponding temporary storage bottle 3, the electrode contacts 11 are wired from the sealing cover 4, and sealant is applied to the sealing cover to avoid air leakage.

The working process and the principle thereof are as follows:

the device can be fixed at a certain position of a water area for periodic collection and can also be carried to collect water samples in different water areas.

When the device is used, the water suction pipes 6 are positioned in water, and water samples with different depths can be collected due to different lengths of the water suction pipes 6. Solenoid valve 9 is the normal close, vacuum pump 5 starts, solenoid valve 9 switches on with the electricity, when the water sample is inhaled, earlier carry out the evacuation to possible residual water in the water absorption pipe 6, two-position four-way reversing valve 2 at this moment is in right side work position, vacuum pump 5's gas outlet and house steward 12 are connected promptly, air inlet and R interface intercommunication, thereby with external atmosphere intercommunication, vacuum pump 5 aerifys in the bottle 3 that keeps in, gas enters into the water absorption pipe 6 through bottle 3 that keeps in, utilize atmospheric pressure to carry out the evacuation to the water in the water absorption pipe 6.

After the evacuation, two-position four-way reversing valve 2 switches to left side work position, the induction port and the house steward 12 of vacuum pump 5 are connected, the gas outlet communicates with the R interface, thereby communicate with external atmosphere, bleed in bottle 3 of keeping in, the water sample inhales bottle 3 of keeping in through pipe 6 that absorbs water, it is great to absorb water the terminal filter screen 61 mesh of pipe 6, only be used for filtering some great impurities of aquatic, avoid blockking up pipe 6 that absorbs water, when the water sample contacts 11 with the electrode contact, the solenoid valve 9 that corresponds closes, corresponding bottle 3 of keeping in stops into water in 3, all the rest bottle 3 of keeping in continue to intake, until all bottle 3 of keeping in have all extracted a quantitative water sample, vacuum pump 5 closes.

Then the switch valve 31 at the bottom of the temporary storage bottle 3 is opened, so that the water sample flows into the sampling bottle 10, and the collection work of the water sample can be completed.

After the collection is finished, the switch valve 31 is closed, the vacuum pump 5 and the electromagnetic valve 9 are restarted, the gas in the water suction pipe 6 is subjected to evacuation treatment, and after the evacuation is finished, the electromagnetic valve 9 is closed, so that the next use is facilitated.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A water sample sampling device for environmental monitoring is characterized by comprising a fixed frame (1) and a two-position four-way reversing valve (2), a plurality of temporary storage bottles (3) are fixedly connected on the fixing frame (1), a sealing cover (4) is arranged at the bottle mouth of each temporary storage bottle (3), a water inlet pipe (41) and an air pipe (42) are arranged on the sealing cover (4), the air pipe (42) is connected to the main pipe (12), the two-position four-way reversing valve (2) is provided with four interfaces which are respectively an A interface, a B interface, a P interface and an R interface, the pipe orifice of the main pipe (12) is connected with the port P, the air suction port of the vacuum pump (5) is connected with the port A, and the air outlet of the water-absorbing pipe is connected with the interface B, the interface R is communicated with the external atmosphere, the water inlet pipe (41) is connected with a water-absorbing pipe (6), and the tail end of the water-absorbing pipe (6) is arranged in water.

2. The water sampling device for environmental monitoring according to claim 1, wherein a first check valve (7) is arranged on a pipeline connecting an air suction port of the vacuum pump (5) and the interface A, and a second check valve (8) is arranged on a pipeline connecting an air outlet of the vacuum pump and the interface B.

3. The water sampling device for environmental monitoring according to claim 1, wherein the lengths of the suction pipes (6) connected to different temporary storage bottles (3) are different, and the suction pipes (6) are further provided with electromagnetic valves (9).

4. The water sampling device for environmental monitoring according to claim 3, wherein the bottom of the water suction pipe (6) is provided with a filter screen (61), the bottom of the temporary storage bottle (3) is funnel-shaped, the opening of the bottom of the temporary storage bottle is provided with a switch valve (31), and the fixed frame (1) below the temporary storage bottle (3) is provided with the sampling bottle (10).

5. The water sampling device for environmental monitoring according to claim 1, wherein the inner wall of the temporary storage bottle (3) is provided with two non-contact electrode contacts (11), and the electrode contacts (11) are used for controlling the on-off of the electromagnetic valve (9).